{"id":2426,"date":"2025-04-16T18:59:00","date_gmt":"2025-04-16T18:59:00","guid":{"rendered":"https:\/\/www.apti.cz\/?p=2426"},"modified":"2025-04-16T19:14:04","modified_gmt":"2025-04-16T19:14:04","slug":"zaverecna-zprava-z-konference-potrubi-2025","status":"publish","type":"post","link":"https:\/\/www.apti.cz\/index.php\/2025\/04\/16\/zaverecna-zprava-z-konference-potrubi-2025\/","title":{"rendered":"Z\u00e1v\u011bre\u010dn\u00e1 zpr\u00e1va z konference POTRUB\u00cd 2025"},"content":{"rendered":"\n

Malebn\u00e9 m\u011bsto Ji\u010d\u00edn se stalo ji\u017e po druh\u00e9 hostitelem specializovan\u00e9 odborn\u00e9 konference POTRUB\u00cd. V\u00edce jak 150 \u00fa\u010dastn\u00edk\u016f v s\u00e1le a nabit\u00e9 kongresov\u00e9 centrum partnery a vystavovateli vytvo\u0159ilo v\u00fdbornou atmosf\u00e9ru.<\/p>\n\n\n\n

\"\"<\/a>
Zcela zapln\u011bn\u00fd kongresov\u00fd s\u00e1l hotelu TAMMEL<\/figcaption><\/figure>\n\n\n\n
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R\u00e1d bych pod\u011bkoval organiza\u010dn\u00edmu teamu veden\u00e9mu Ing. Krist\u00fdnou Krudenc za hladk\u00fd pr\u016fb\u011bh akce, kdy bylo pot\u0159eba rozm\u00edstit \u00fa\u010dastn\u00edky nejen do obou hlavn\u00edch hotel\u016f, jejich\u017e kapacita se brzy vy\u010derpala, ale i do sedmi dal\u0161\u00edch ji\u010d\u00ednsk\u00fdch hotel\u016f a penzion\u016f.
Je tak\u00e9 na m\u00edst\u011b vyzdvihnout pr\u00e1ci programov\u00e9ho v\u00fdboru, pod veden\u00edm p\u0159edsedy APTI, z.s., Ing. Miroslava Lhotsk\u00e9ho, kter\u00fd p\u0159ipravil velmi kladn\u011b hodnocen\u00fd poutav\u00fd a odborn\u00fd program konference.
V neposledn\u00ed \u0159ad\u011b chci tak\u00e9 pod\u011bkovat v\u0161em odborn\u00fdm, komer\u010dn\u00edm i medi\u00e1ln\u00edm partner\u016fm konference za podporu, bez kter\u00e9 by leto\u0161n\u00ed ro\u010dn\u00edk nemohl prob\u011bhnout a budu se ji\u017e te\u010f t\u011b\u0161it na setk\u00e1n\u00ed v r\u00e1mci dal\u0161\u00edho ro\u010dn\u00edku t\u00e9to \u00fasp\u011b\u0161n\u00e9 akce.<\/p>\nJan Lhotsk\u00fd, jednatel spole\u010dnosti Medim, spol. s r. o.<\/cite><\/blockquote>\n\n\n\n

\"\"<\/a>
\u00da\u010dastn\u00edci konference se z\u00e1jmem vyslechli celkem 22 odborn\u00fdch p\u0159edn\u00e1\u0161ek<\/figcaption><\/figure>\n\n\n\n

Nejist\u00e1 budoucnost v\u00fdroby ocelov\u00fdch trubek,\u00a0aktu\u00e1ln\u00ed situace na trhu<\/strong><\/h3>\n\n\n\n

Ji\u0159\u00ed Dufek<\/strong>
Ocel\u00e1\u0159sk\u00e1 unie, Praha<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Evropsk\u00e9 ocel\u00e1\u0159stv\u00ed se v posledn\u00edch letech pot\u00fdk\u00e1 s velk\u00fdmi nesn\u00e1zemi. Nejinak je tomu ve zna\u010dn\u011b specifick\u00e9m odv\u011btv\u00ed ocelov\u00fdch trubek. Pr\u016fmyslu se neda\u0159\u00ed podobn\u011b jako cel\u00e9 ekonomice, kter\u00e1 st\u00e1le hled\u00e1 zp\u016fsoby, jak se odrazit k v\u00fdrazn\u011bj\u0161\u00edmu r\u016fstu. Vid\u011bt je to i na zjevn\u00e9 spot\u0159eb\u011b v EU, kter\u00e1 se z posledn\u00edch p\u011bti let \u010dty\u0159ikr\u00e1t sn\u00ed\u017eila (v\u00fdjimkou byl pouze rok 2021).<\/p>\n\n\n\n

V\u00fdrobci se nad\u00e1le pot\u00fdkaj\u00ed s n\u00edzkou popt\u00e1vkou po v\u00fdrobc\u00edch, stejn\u011b jako s dopady negativn\u00edch vliv\u016f z posledn\u00edch let jako jsou vysok\u00e9 ceny energi\u00ed, emisn\u00edch povolenek, nutn\u00fdmi investicemi do ekologie v d\u016fsledku \u201ezelen\u00e9\u201c politiky EU \u010di geopolitick\u00fdmi vlivy. V posledn\u00ed dob\u011b se p\u0159id\u00e1v\u00e1 i st\u00e1le siln\u011bj\u0161\u00ed tlak v\u00fdrobc\u016f ze t\u0159et\u00edch zem\u00ed, zejm\u00e9na pak z \u010c\u00edny. Mezi negativn\u00ed faktory je nutn\u00e9 rovn\u011b\u017e za\u0159adit po\u010d\u00ednaj\u00edc\u00ed obchodn\u00ed v\u00e1lku mezi USA a zbytkem sv\u011bta, kdy nov\u00e1 americk\u00e1 administrativa zav\u00e1d\u00ed mnoh\u00e1 nov\u00e1 celn\u00ed opat\u0159en\u00ed prakticky pro v\u0161echny zem\u011b sv\u011bta.<\/p>\n\n\n\n

V d\u016fsledku t\u011bchto vliv\u016f doch\u00e1z\u00ed k postupn\u00e9mu sni\u017eov\u00e1n\u00ed v\u00fdroby trubek v EU, naopak dovoz z t\u0159et\u00edch zem\u00ed pomalu st\u00e1le roste. Z v\u00fd\u0161e uveden\u00e9ho je z\u0159ejm\u00e9, \u017ee v\u00fdrobce v EU a \u010cR ne\u010dekaj\u00ed lehk\u00e9 \u010dasy. Zejm\u00e9na na evropsk\u00e9 \u00farovni je t\u0159eba co nejrychleji u\u010dinit konkr\u00e9tn\u00ed kroky, abychom zachr\u00e1nili v\u00fdrobu na evropsk\u00e9m kontinent\u011b tak, jak ji zn\u00e1me nyn\u00ed.<\/p>\n\n\n\n

Projekt TAL \u2013 PLUS<\/strong><\/h3>\n\n\n\n

Ing. Pavel Janou\u0161kovec<\/strong>
MERO CR, a.s., Kralupy nad Vltavou<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Transalpinsk\u00fd ropovod (TAL<\/strong>) je jedn\u00edm z nejv\u00fdznamn\u011bj\u0161\u00edch za\u0159\u00edzen\u00ed pro dod\u00e1vku ropy v Evrop\u011b. Propojuje p\u0159\u00edstav Terst v It\u00e1lii se st\u0159edn\u00ed Evropou. TAL zaji\u0161\u0165uje dod\u00e1vky ropy do rafin\u00e9ri\u00ed v Rakousku, N\u011bmecku a tak\u00e9 v \u010cR.<\/p>\n\n\n\n

V n\u00e1sleduj\u00edc\u00edch m\u011bs\u00edc\u00edch dokon\u010d\u00ed MERO \u010cR ve spolupr\u00e1ci s konsorciem TAL provozn\u00ed testy a certifikace nov\u00e9ho syst\u00e9mu. K odst\u0159i\u017een\u00ed od rusk\u00e9 ropy a pln\u00e9mu z\u00e1sobov\u00e1n\u00ed \u010ceska ropou z\u00e1padn\u00ed cestou ropovody IKL a TAL dojde podle v\u0161ech p\u0159edpoklad\u016f u\u017e v polovin\u011b leto\u0161n\u00edho roku.<\/p>\n\n\n\n

Vyu\u017eit\u00ed pokro\u010dil\u00fdch technik ultrazvukov\u00e9ho zkou\u0161en\u00ed pro svary parovod\u016f<\/strong><\/h3>\n\n\n\n

Ing. Pavel Mare\u0161<\/strong>
Centrum v\u00fdzkumu \u0158e\u017e s.r.o., Plze\u0148<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Ultrazvukov\u00e9 zkou\u0161en\u00ed svarov\u00fdch spoj\u016f klasickou odrazovou technikou pat\u0159\u00ed mezi nejb\u011b\u017en\u011bj\u0161\u00ed metody vyu\u017e\u00edvan\u00e9 p\u0159i zkou\u0161en\u00ed parovod\u016f. P\u0159i realizaci t\u00e9to metody je velmi d\u016fle\u017eit\u00e9 zn\u00e1t p\u0159esnou geometrii svarov\u00e9ho spoje a jeho okol\u00ed, a to i na vnit\u0159n\u00edm povrchu. To ale zejm\u00e9na u parovod\u016f provozovan\u00fdch n\u011bkolik des\u00edtek let m\u016f\u017ee b\u00fdt problematick\u00e9, a\u0165 u\u017e z d\u016fvodu chyb\u011bj\u00edc\u00ed dokumentace mapuj\u00edc\u00ed re\u00e1ln\u00fd stav nebo d\u00edky zm\u011bn\u00e1m zp\u016fsoben\u00fdm provozem. V t\u011bchto p\u0159\u00edpadech mohou v\u00fdznamn\u011b pomoci pokro\u010dil\u00e9 techniky ultrazvukov\u00e9ho zkou\u0161en\u00ed, mezi kter\u00e9 pat\u0159\u00ed nap\u0159\u00edklad phased array, full matrix capture a dal\u0161\u00ed zpracov\u00e1n\u00ed nam\u011b\u0159en\u00fdch dat jako je technikaTFM (Total Focusing Method) nebo PCI (Phase Coherence Imaging). V tomto p\u0159\u00edsp\u011bvku je pops\u00e1no n\u011bkolik p\u0159\u00edklad\u016f, kde jsou tyto techniky vyu\u017eity a jak\u00e9 jsou jejich hlavn\u00ed v\u00fdhody a p\u0159\u00ednosy pro zv\u00fd\u0161en\u00ed spolehlivosti prov\u00e1d\u011bn\u00fdch kontrol.<\/p>\n\n\n\n

Posouzen\u00ed \u017eivotnosti potrub\u00ed, vad a hav\u00e1ri\u00ed potrub\u00ed, resp. \u0159\u00edzen\u00e1 \u017eivotnost potrubn\u00edch smy\u010dek<\/strong><\/h3>\n\n\n\n

Ing. Marek Slov\u00e1\u010dek, Ph.D., IWE<\/strong>
TEN Slovakia<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

V p\u0159edn\u00e1\u0161ce byl pops\u00e1n komplexn\u00ed postup \u0159e\u0161en\u00ed, resp. p\u0159\u00edstup k posouzen\u00ed mo\u017en\u00fdch vad potrub\u00ed, d\u00e1le posouzen\u00ed aktu\u00e1ln\u00edho stavu potrub\u00ed a p\u0159\u00edpadn\u011b posouzen\u00ed zbytkov\u00e9 \u017eivotnosti potrub\u00ed. V\u0161e je provedeno na z\u00e1klad\u011b rozboru v\u0161ech vstupn\u00edch dat, tzn. v\u00fdkresy, dokumentace, provozn\u00ed re\u017eimy, opravy atd., d\u00e1le na z\u00e1klad\u011b posouzen\u00ed pomoc\u00ed numerick\u00fdch anal\u00fdz, d\u00e1le na z\u00e1klad\u011b posouzen\u00ed pomoc\u00ed NDT a p\u0159\u00edpadn\u011b lok\u00e1ln\u00edho odebr\u00e1n\u00ed mal\u00fdch vzork\u016f a n\u00e1sledn\u00fdch pevnostn\u00edch anal\u00fdz. Samoz\u0159ejm\u011b, do oblasti \u0159\u00edzen\u00e9 \u017eivotnosti pat\u0159\u00ed i vliv oprav a p\u0159\u00edpadn\u00fdch zm\u011bn v potrubn\u00edch tras\u00e1ch, nap\u0159. \u00faprava podp\u011br atd.  V\u0161e bude demonstrov\u00e1no na pr\u016fmyslov\u00fdch aplikac\u00edch.<\/p>\n\n\n\n

V\u00fdsledky z m\u011b\u0159en\u00ed te\u010den\u00ed na parovodech metodou 3D skenov\u00e1n\u00ed<\/strong><\/h3>\n\n\n\n

Pavel Zahr\u00e1dka<\/strong>
Centrum v\u00fdzkumu \u0158e\u017e s.r.o., Plze\u0148<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

P\u0159\u00edsp\u011bvek se zam\u011b\u0159uje na vyu\u017eit\u00ed metody 3D skenov\u00e1n\u00ed pro hodnocen\u00ed creepov\u00e9ho po\u0161kozen\u00ed parovod\u016f p\u0159edev\u0161\u00edm na klasick\u00fdch elektr\u00e1rn\u00e1ch. Zahrnuje dosa\u017een\u00e9 v\u00fdsledky z opakovan\u00fdch m\u011b\u0159en\u00ed na n\u011bkolika lokalit\u00e1ch a celkov\u00e9 v\u00fdsledky z experiment\u00e1ln\u00edho m\u011b\u0159en\u00ed na vzorc\u00edch zat\u011b\u017eovan\u00fdch na provozn\u00ed parametry. Creepov\u00e1 degradace p\u0159edstavuje z\u00e1sadn\u00ed faktor ovliv\u0148uj\u00edc\u00ed provozn\u00ed spolehlivost a zbytkovou \u017eivotnost parovod\u016f, a jej\u00ed p\u0159esn\u00e1 diagnostika je kl\u00ed\u010dov\u00e1 pro efektivn\u00ed \u00fadr\u017ebu a pl\u00e1nov\u00e1n\u00ed oprav.<\/p>\n\n\n\n

Stoplov\u00e1n\u00ed po\u017e\u00e1rn\u00ed vody v JE Temel\u00edn<\/strong><\/h3>\n\n\n\n

Ing. Jan K\u00e1nsk\u00fd<\/strong>
Fastra, s.r.o., Kol\u00edn<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

V posledn\u00edm kvart\u00e1lu roku 2024 jsme mohli prov\u00e9st velice zaj\u00edmavou pr\u00e1ci v presti\u017en\u00ed lokalit\u011b Jadern\u00e9 elektr\u00e1rny Temel\u00edn. Stoplovac\u00ed pr\u00e1ce byly provedeny na potrub\u00ed s po\u017e\u00e1rn\u00ed vodou, kter\u00e9 vy\u017eadovalo v\u00fdm\u011bnu. Specifikem dan\u00e9 potrubn\u00ed trasy je zachov\u00e1n\u00ed pr\u016ftoku vody i v p\u0159\u00edpad\u011b vzniku po\u017e\u00e1ru, b\u011bhem kter\u00e9ho se d\u00edky spu\u0161t\u011bn\u00ed \u010derpadel v\u00fdrazn\u011b zved\u00e1 tlak a\u017e na 12bar.<\/p>\n\n\n\n

Abychom zajistili nep\u0159eru\u0161en\u00fd pr\u016ftok vody, poprv\u00e9 jsme pou\u017eili vysokokapacitn\u00ed bypassovou hadici DN150 syst\u00e9mu PRIMUS LINE od spole\u010dnosti HOMOLA, a.s. Toto \u0159e\u0161en\u00ed umo\u017e\u0148uje vytvo\u0159en\u00ed obchozu bez nutnosti sva\u0159ov\u00e1n\u00ed a vzniku odpadu p\u0159i likvidaci, co\u017e je \u0161etrn\u011bj\u0161\u00ed k \u017eivotn\u00edmu prost\u0159ed\u00ed. Za\u0159\u00edzen\u00ed bylo instalov\u00e1no po celou dobu rekonstruk\u010dn\u00edch prac\u00ed na vym\u011b\u0148ovan\u00e9m \u00faseku. Celkov\u00e1 doba zastoplov\u00e1n\u00ed se tak po\u010d\u00edtala na v\u00edce jak t\u00fdden.<\/p>\n\n\n\n

Za\u0159\u00edzen\u00ed STOPL-S-F1 op\u011bt prok\u00e1zalo, \u017ee je schopno, nejenom d\u00edky syst\u00e9mu t\u011bsn\u00edc\u00edch prvk\u016f, uzav\u0159\u00edt i potrub\u00ed s velk\u00fdmi inkrustacemi, pracovat po dlouho dobu, a tak\u00e9 je odoln\u00e9 v\u016f\u010di hydraulick\u00fdm r\u00e1z\u016fm. Z\u00e1rove\u0148 prok\u00e1zalo funk\u010dnost p\u0159i uzav\u00edr\u00e1n\u00ed vod a jin\u00fdch kapalin.<\/p>\n\n\n\n

Instalace na tak specifick\u00e9m m\u00edst\u011b, s vysok\u00fdmi n\u00e1roky nejen projektant\u016f, ale i cel\u00e9 elektr\u00e1rensk\u00e9 spole\u010dnosti, vy\u017eaduje vysokou \u00farove\u0148 profesionality, kter\u00e1 je pro na\u0161i spole\u010dnost FASTRA standardem.<\/p>\n\n\n\n

Predizolovan\u00e9 potrubia a ich efekt\u00edvne vyu\u017eitie<\/strong><\/h3>\n\n\n\n

Ing. Robert \u0160tefanec<\/strong>
NRG flex, s.r.o., Pezinok, Slovensk\u00e1 republika<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

V tepeln\u00fdch s\u00edt\u00edch s velk\u00fdm p\u0159enosem oh\u0159\u00e1t\u00e9 hmoty v soustav\u00e1ch centralizovan\u00e9ho z\u00e1sobov\u00e1n\u00ed teplem (SCZT) se pou\u017e\u00edvaj\u00ed tepeln\u00e9 nap\u00e1je\u010de. V sou\u010dasnosti jsou dostupn\u00e9 nov\u00e9 technologie, kde p\u0159enos tepla m\u016f\u017ee b\u00fdt navr\u017een na m\u00edru, p\u0159i\u010dem\u017e lze u\u0161et\u0159it energii na v\u00fdrob\u011b tepla a sn\u00ed\u017eit tak\u00e9 provozn\u00ed n\u00e1klady na \u010derpac\u00ed pr\u00e1ci. Sn\u00ed\u017een\u00edm tepeln\u00fdch ztr\u00e1t v rozvodech ur\u010den\u00fdch pro vyt\u00e1p\u011bn\u00ed a rozvody tepl\u00e9 vody je mo\u017en\u00e9 u\u0161et\u0159it na v\u00fdrob\u011b energie i p\u0159i jej\u00ed distribuci. Spr\u00e1vn\u00fdm n\u00e1vrhem a regulac\u00ed tepeln\u00fdch s\u00edt\u00ed zajist\u00edme po\u017eadovan\u00e9 podm\u00ednky pro odb\u011bratele a p\u0159isp\u011bjeme ke sn\u00ed\u017een\u00ed provozn\u00edch n\u00e1klad\u016f a emis\u00ed.<\/p>\n\n\n\n

P\u0159\u00eddavn\u00e9 sva\u0159ovac\u00ed materi\u00e1ly, trendy a pot\u0159ebn\u00e1 dokumentace<\/strong><\/h3>\n\n\n\n

Ing. Ale\u0161 Pl\u00edhal<\/strong>
ESAB VAMBERK, s.r.o. \u010dlen koncernu<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

P\u0159edm\u011btem p\u0159edn\u00e1\u0161ky byl p\u0159ehled hlavn\u00edch technologi\u00ed tavn\u00fdch proces\u016f sva\u0159ov\u00e1n\u00ed. Byl pops\u00e1n sou\u010dasn\u00fd stav a trendy v pou\u017e\u00edv\u00e1n\u00ed p\u0159\u00eddavn\u00fdch sva\u0159ovac\u00edch materi\u00e1l\u016f, p\u0159ehled pou\u017e\u00edvan\u00e9 dokumentace V p\u0159edn\u00e1\u0161ce lektor upozornil na souvislosti mezi jednotliv\u00fdmi dokumenty a platn\u00fdmi p\u0159edpisy postup p\u0159i v\u00fdb\u011bru sva\u0159ovac\u00edch materi\u00e1l\u016f a p\u0159ehled pot\u0159ebn\u00fdch informac\u00ed nutn\u00fdch pro komunikaci mezi v\u00fdrobcem a z\u00e1kazn\u00edkem.<\/p>\n\n\n\n

Generovanie umel\u00fdch defektov pre Machine Learning<\/strong><\/h3>\n\n\n\n

Ing. Daniel Dopjera, PhD.<\/strong>
\u00daJV \u0158e\u017e, a.s., Div\u00edzia Integrita a Technick\u00fd In\u017einiering<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

V s\u00fa\u010dasnosti je v ka\u017edom priemysle po\u010du\u0165 skratky ML (Machine Learning) alebo AI (Artificial Intelligence). Ide o tzv. strojov\u00e9 u\u010denie a umel\u00fa inteligenciu. Nie je tomu inak ani v oblasti NDT (Non-Destructive Testing), resp. NDE (Non-Destructive Examination\/Evaluation). ML\/AI si u\u017e na\u0161la svoje miesto v niektor\u00fdch NDT kontrol\u00e1ch \u010di u\u017e v oblasti priemyslu alebo v oblasti energetiky, ako napr. v NPP (Nuclear Power Plant).<\/p>\n\n\n\n

Pr\u00edspevok predstavuje mo\u017enosti vyu\u017eitia generovania indik\u00e1ci\u00ed v ultrazvukov\u00fdch z\u00e1znamoch PAUT v softv\u00e9ri UltraVision pre ML (Machine Learning). Tento pr\u00edstup m\u00f4\u017ee by\u0165 vyu\u017eit\u00fd pre asistovan\u00e9 vyhodnocovanie PAUT z\u00e1znamov na \u0161pecifick\u00fdch zvarov\u00fdch spojoch. Pr\u00edpadne m\u00f4\u017ee by\u0165 pou\u017eit\u00fd pre \u201cv\u00fdrobu\u201d tzv. virtu\u00e1lnych telies alebo \u201cv\u00fdrobu\u201d PAUT z\u00e1znamov pre kvalifik\u00e1ciu\/overenie znalosti PAUT person\u00e1lu pri vyhodnocovan\u00ed jednotliv\u00fdch indik\u00e1ci\u00ed.<\/p>\n\n\n\n

Chytr\u00e9 vod\u00e1rensk\u00e9 \u0161oup\u00e1tko s \u010dipem pro 21. stolet\u00ed \u2013 BETA-500<\/strong><\/h3>\n\n\n\n

Ing. Lud\u011bk Stehl\u00edk<\/strong>
VAG, s.r.o., Hodon\u00edn<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Nov\u00e9 m\u011bkkot\u011bsnic\u00ed \u0161oup\u00e1tko BETA-500 s bez\u0161roubov\u00fdm spojen\u00edm v\u00edka s t\u011blesem a nestoupaj\u00edc\u00edm v\u0159etenem pro pou\u017eit\u00ed ve vod\u00e1rensk\u00fdch a pr\u016fmyslov\u00fdch aplikac\u00edch. M\u00e1 v\u0161echny v\u00fdhody jako EKOplus, m\u00e1 nekoroduj\u00edc\u00ed bez\u0161roubov\u00e9ho spojen\u00ed v\u00edka s t\u011blesem a nav\u00edc \u0161t\u00edtek s QR k\u00f3dem a p\u0159ipojenou kartu s NFC \u010dipem, kter\u00fd v\u00e1m otev\u0159e webovou appku, kde je konfigur\u00e1tor, technick\u00e9 informace o v\u00fdrobku, n\u00e1hradn\u00ed d\u00edly apod.<\/p>\n\n\n\n

Navrhov\u00e1n\u00ed plastov\u00fdch potrub\u00ed<\/strong><\/h3>\n\n\n\n

Ing. V\u00e1clav Peka\u0159, CSc.<\/strong>
APTI, z. s. Praha<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Plasty jsou chemicky velmi odoln\u00e9 materi\u00e1ly, kter\u00e9 z\u00e1rove\u0148 zachov\u00e1vaj\u00ed pot\u0159ebnou \u010distotu dopravovan\u00e9 tekutiny. Potrub\u00ed z plast\u016f vykazuje p\u0159i pr\u016ftoku tekutiny mal\u00e9 tlakov\u00e9 ztr\u00e1ty. Nar\u016fstaj\u00ed tak po\u017eadavky na pou\u017e\u00edv\u00e1n\u00ed plast\u016f a po vy\u0159e\u0161en\u00ed ur\u010dit\u00fdch probl\u00e9m\u016f je \u010dek\u00e1 velk\u00e9 roz\u0161\u00ed\u0159en\u00ed. Plastov\u00e1 pr\u016fmyslov\u00e1 potrub\u00ed se pou\u017e\u00edvaj\u00ed v chemick\u00e9m a petrochemick\u00e9m pr\u016fmyslu a energetice.<\/p>\n\n\n\n

Jedn\u00edm z t\u011bchto probl\u00e9m\u016f je jejich velk\u00e1 tepeln\u00e1 rozta\u017enost, \u010dasto i desetkr\u00e1t v\u011bt\u0161\u00ed ne\u017e u kov\u016f. Z toho vypl\u00fdv\u00e1 i dal\u0161\u00ed probl\u00e9m, a to ulo\u017een\u00ed plastov\u00fdch potrub\u00ed, i t\u00edmto probl\u00e9mem se n\u00e1\u0161 p\u0159\u00edsp\u011bvek zab\u00fdv\u00e1. Dal\u0161\u00edm probl\u00e9mem plast\u016f v\u017edy p\u016fsob\u00edc\u00ed creep a relaxace zkl\u00e1cen\u011b to lze nazvat jako viskoelasticita. Jsou i dal\u0161\u00ed m\u00e9n\u011b d\u016fle\u017eit\u00e9 problematick\u00e9 vlastnosti.<\/p>\n\n\n\n

Vyu\u017eit\u00ed bari\u00e9rov\u00e9ho PE potrub\u00ed pro ochranu p\u0159ed kontaminac\u00ed toxick\u00fdmi l\u00e1tkami<\/strong><\/h3>\n\n\n\n

Ing. Daniel \u0160najdr<\/strong>
egeplast international GmbH, Greven, Germany<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Bari\u00e9rov\u00e9 PE potrub\u00ed p\u0159edstavuje modern\u00ed \u0159e\u0161en\u00ed, kter\u00e9 \u00fa\u010dinn\u011b zabra\u0148uje permeaci \u2013 pomal\u00e9mu procesu transportu nebezpe\u010dn\u00fdch l\u00e1tek pevnou l\u00e1tkou. Tento inovativn\u00ed materi\u00e1l zaji\u0161\u0165uje spolehlivou ochranu pitn\u00e9 vody proti kontaminaci z okoln\u00edho prost\u0159ed\u00ed. V p\u0159edn\u00e1\u0161ce bude podrobn\u011b vysv\u011btlen princip t\u00e9to ochrany, certifikace podle normy BRL 17101 proveden\u00e9 spole\u010dnost\u00ed KIWA a kl\u00ed\u010dov\u00e9 aspekty mont\u00e1\u017ee, kter\u00e9 zaji\u0161\u0165uj\u00ed integritu a funk\u010dnost potrub\u00ed, v\u010detn\u011b spolehlivosti sv\u00e1r\u016f.<\/p>\n\n\n\n

\"\"
V r\u00e1mci konference se p\u0159edstavily i modern\u00ed technologie bl\u00edzk\u00e9 budoucnosti<\/figcaption><\/figure>\n\n\n\n
\"\"<\/a>
Kongresov\u00e9 centrum hotelu TAMMEL praskalo ve \u0161vech<\/figcaption><\/figure>\n\n\n\n

Konference POTRUB\u00cd 2025 v \u010d\u00edslech<\/strong><\/h4>\n\n\n\n
\u00da\u010dastn\u00edci v s\u00e1le<\/td>155<\/strong><\/td><\/tr>
\u00da\u010dastn\u00edci on-line streamu<\/td>47<\/strong><\/td><\/tr>
Lekto\u0159i<\/td>22<\/strong><\/td><\/tr>
Partne\u0159i a vystavovatel\u00e9<\/td>28<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Skladba \u00fa\u010dastn\u00edk\u016f<\/strong><\/h4>\n\n\n\n
Energetika a tepl\u00e1renstv\u00ed<\/td>38 %<\/strong><\/td><\/tr>
Chemick\u00fd a petrochemick\u00fd pr\u016fmysl<\/td>24 %<\/strong><\/td><\/tr>
Ostatn\u00ed pr\u016fmysl<\/td>16 %<\/strong><\/td><\/tr>
Servisn\u00ed a oprav\u00e1rensk\u00e9 spole\u010dnosti<\/td>6 %<\/strong><\/td><\/tr>
Vod\u00e1renstv\u00ed<\/td>4 %<\/strong><\/td><\/tr>
Plyn\u00e1renstv\u00ed<\/td>5 %<\/strong><\/td><\/tr>
Organizace st\u00e1tn\u00edho odborn\u00e9ho dozoru<\/td>3 %<\/strong><\/td><\/tr>
Vysok\u00e9 \u0161koly<\/td>4 %<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Hodnocen\u00ed spokojenosti \u00fa\u010dastn\u00edk\u016f<\/strong><\/h4>\n\n\n\n
Odborn\u00fd program<\/td>98,2 %<\/strong><\/td><\/tr>
Doprovodn\u00fd program<\/td>98,9 %<\/strong><\/td><\/tr>
Organizace<\/td>99,4 %<\/strong><\/td><\/tr>
Stravov\u00e1n\u00ed<\/td>98,9 %<\/strong><\/td><\/tr>
Ubytov\u00e1n\u00ed<\/td>99,1 %<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u00da\u010dastn\u00edci v anket\u011b leto\u0161n\u00ed ro\u010dn\u00edk hodnotili skute\u010dn\u011b velmi kladn\u011b ve v\u0161ech sm\u011brech. D\u011bkujeme a budeme se t\u011b\u0161it na setk\u00e1n\u00ed na 7. ro\u010dn\u00edku POTRUB\u00cd!<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Malebn\u00e9 m\u011bsto Ji\u010d\u00edn se stalo ji\u017e po druh\u00e9 hostitelem specializovan\u00e9 odborn\u00e9 konference POTRUB\u00cd. V\u00edce jak 150 \u00fa\u010dastn\u00edk\u016f v s\u00e1le a nabit\u00e9 kongresov\u00e9 centrum partnery a vystavovateli vytvo\u0159ilo v\u00fdbornou atmosf\u00e9ru. R\u00e1d…<\/p>\n","protected":false},"author":1,"featured_media":2427,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[11],"tags":[],"class_list":["post-2426","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vzdelavani"],"jetpack_featured_media_url":"https:\/\/www.apti.cz\/wp-content\/uploads\/2025\/04\/Linkedin_POTRUBI-2025_header-scaled.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.apti.cz\/index.php\/wp-json\/wp\/v2\/posts\/2426","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.apti.cz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.apti.cz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.apti.cz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.apti.cz\/index.php\/wp-json\/wp\/v2\/comments?post=2426"}],"version-history":[{"count":3,"href":"https:\/\/www.apti.cz\/index.php\/wp-json\/wp\/v2\/posts\/2426\/revisions"}],"predecessor-version":[{"id":2430,"href":"https:\/\/www.apti.cz\/index.php\/wp-json\/wp\/v2\/posts\/2426\/revisions\/2430"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.apti.cz\/index.php\/wp-json\/wp\/v2\/media\/2427"}],"wp:attachment":[{"href":"https:\/\/www.apti.cz\/index.php\/wp-json\/wp\/v2\/media?parent=2426"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.apti.cz\/index.php\/wp-json\/wp\/v2\/categories?post=2426"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.apti.cz\/index.php\/wp-json\/wp\/v2\/tags?post=2426"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}